/**
  ******************************************************************************
  * @file    GPIO/GPIO_IOToggle/stm32f4xx_it.c 
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    04-August-2014
  * @brief   Main Interrupt Service Routines.
  *          This file provides template for all exceptions handler and 
  *          peripherals interrupt service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_it.h"

/** @addtogroup STM32F4xx_StdPeriph_Examples
  * @{
  */

/** @addtogroup GPIO_IOToggle
  * @{
  */

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/******************************************************************************/
/*            Cortex-M4 Processor Exceptions Handlers                         */
/******************************************************************************/

/**
  * @brief   This function handles NMI exception.
  * @param  None
  * @retval None
  */
void NMI_Handler(void)
{
}

/**
  * @brief  This function handles Hard Fault exception.
  * @param  None
  * @retval None
  */
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Memory Manage exception.
  * @param  None
  * @retval None
  */
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Bus Fault exception.
  * @param  None
  * @retval None
  */
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles Usage Fault exception.
  * @param  None
  * @retval None
  */
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
  * @brief  This function handles SVCall exception.
  * @param  None
  * @retval None
  */
//void SVC_Handler(void)
//{
//}

/**
  * @brief  This function handles Debug Monitor exception.
  * @param  None
  * @retval None
  */
void DebugMon_Handler(void)
{
}

/**
  * @brief  This function handles PendSVC exception.
  * @param  None
  * @retval None
  */
//void PendSV_Handler(void)
//{
//}

/**
  * @brief  This function handles SysTick Handler.
  * @param  None
  * @retval None
  */
//void SysTick_Handler(void)
//{
//}

/******************************************************************************/
/*                 STM32F4xx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32f40xx.s/startup_stm32f427x.s/startup_stm32f429x.s).    */
/******************************************************************************/

/**
  * @brief  This function handles PPP interrupt request.
  * @param  None
  * @retval None
  */
/*void PPP_IRQHandler(void)
{
}*/
/*****************************************************************************************
函数名：EXTI15_10_IRQHandler
功能：外部10-15中断处理函数
输入参数：无
输出参数：无
其他说明：
		//pa9>tx	pa10>rx

*****************************************************************************************/
void EXTI15_10_IRQHandler(void)
{
	if(EXTI_GetITStatus(EXTI_Line13))//判断哪个外部线产生的中断
	{
		EXTI_ClearITPendingBit(EXTI_Line13);//清除中断标志
		
	}
}

/******************************************************************************
函数名：USART1_IRQHandler
功能：串口1中断处理函数
输入参数：无
输出参数：无
其他说明：
		//pa9>tx	pa10>rx
******************************************************************************/
extern char buf[128];
extern int num;

void USART1_IRQHandler(void)
{
	if(USART_GetITStatus(USART1, USART_IT_RXNE) == SET)//判断是否接受中断
	{

		USART_ClearITPendingBit(USART1, USART_IT_RXNE);	//清除接受中断标志
		buf[num] = USART_ReceiveData(USART1);
		num++;	
	}
}

extern uint16_t tim6_period_cnt;
void TIM6_DAC_IRQHandler(void)
{
	if(TIM_GetITStatus(TIM6, TIM_IT_Update) == SET)
	{
		TIM_ClearITPendingBit(TIM6, TIM_IT_Update);
		tim6_period_cnt++;
	}
}



/**
  * @}
  */ 

/**
  * @}
  */ 


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
